低钾血症中哪一项论述是错误的?()
A.血清钾低于3.8mmol/L
B.钾丧失过多
C.钾摄入不足
D.心肌兴奋性增高
E.肠麻痹
参考答案:A
There are many tall buildings on ______ sides of the street. [ ]
A. each
B. every
C. both
D. either
长条形而纤维性强的药物宜切
A.斜片
B.段
C.宽丝
D.直片
E.薄片